<template>
  <div>
    <el-form ref="loginForm" :model="form" :rules="rules" label-width="80px" class="login-box">
      <h3 class="login-title">登录界面</h3>
      <el-form-item label="账号" prop="username" class="">
        <el-input type="text" placeholder="请输入账号" v-model="form.username"/>
      </el-form-item>
      <el-form-item label="密码" prop="password" id="pwd">
        <el-input type="password" placeholder="请输入密码" v-model="form.password"/>
      </el-form-item>
      <el-form-item>
        <el-button type="primary" v-on:click="onSubmit('loginForm')" style="margin-left:60px">登录</el-button>
        <el-button type="text" @click="findpwd">忘记密码</el-button>
      </el-form-item>

    </el-form>

    <el-dialog
      title="温馨提示"
      :visible.sync="dialogVisible"
      width="30%">
      <span>请输入账号和密码</span>
      <span slot="footer" class="dialog-footer">
        <el-button type="primary" @click="dialogVisible = false">确 定</el-button>
      </span>
    </el-dialog>
  </div>
</template>

<script>
  export default {
    name: "Login",
    data() {
      return {
        form: {
          username: '',
          password: ''
        },
        token:'',
        // 表单验证，需要在 el-form-item 元素中增加 prop 属性
        rules: {
          username: [
            {required: true, message: '账号不可为空', trigger: 'blur'}
          ],
          password: [
            {required: true, message: '密码不可为空', trigger: 'blur'}
          ]
        },

        // 对话框显示和隐藏
        dialogVisible: false
      }
    },
    methods: {
      onSubmit(formName) {
        // 为表单绑定验证功能
        this.$refs[formName].validate((valid) => {
          if (valid) {
            // 使用 vue-router 路由到指定页面，该方式称之为编程式导航
            this.axios({
              method:"post",
              headers: { 'content-type': 'application/json' },
              url: "http://evidence.frogking.cn/loginController/login",
              params:{
                username: this.form.username,
                password: this.form.password
              }
            }).then(res=>{
              if(res["data"]["code"]==='600'){
                this.token=res["data"]["token"];
                //token放在本地
                //console.log(this.token);
                localStorage.setItem("token_only",this.token)
                var temp=localStorage.getItem("token_only")
                console.log(temp)
                this.$router.push("/main");
              }
              else if(res["data"]["code"]==='601'){
                this.$alert('账号或密码出错', '错误提示', {
                  confirmButtonText: '确定',
                  callback: action => {
                    this.form.password="";
                  }
                });
              }
              else if(res["data"]["code"]==='602'){
                this.$alert('服务器异常', '错误提示', {
                  confirmButtonText: '确定',
                  callback: action => {
                    $('#pwd').val('');
                  }
                })
              }

            }).catch(function (error) {
              console.log(error);
            });
          } else {
            this.dialogVisible = true;
            return false;
          }
        });
      },
      findpwd(){
        this.$router.push("/findpwd");
      }
    },
  }
</script>

<style>
  .login-box {
    border: 1px solid #DCDFE6;
    width: 350px;
    margin: 180px auto;
    padding: 35px 35px 15px 35px;
    border-radius: 5px;
    -webkit-border-radius: 5px;
    -moz-border-radius: 5px;
    box-shadow: 0 0 25px #909399;
  }

  .login-title {
    text-align: center;
    margin: 0 auto 40px auto;
    color: #303133;
  }
</style>
